diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/wincommon/SDL_sysmouse.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/wincommon/SDL_sysmouse.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/distrib/sdl-1.2.12/src/video/wincommon/SDL_sysmouse.c b/distrib/sdl-1.2.12/src/video/wincommon/SDL_sysmouse.c deleted file mode 100644 index d1caf2f..0000000 --- a/distrib/sdl-1.2.12/src/video/wincommon/SDL_sysmouse.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> - -#include "SDL_mouse.h" -#include "../../events/SDL_events_c.h" -#include "../SDL_cursor_c.h" -#include "SDL_sysmouse_c.h" -#include "SDL_lowvideo.h" - -#ifdef _WIN32_WCE -#define USE_STATIC_CURSOR -#endif - -HCURSOR SDL_hcursor = NULL; /* Exported for SDL_eventloop.c */ - -/* The implementation dependent data for the window manager cursor */ -/* For some reason when creating a windows cursor, the ands and xors memory - is not copied, so we need to keep track of it and free it when we are done - with the cursor. If we free the memory prematurely, the app crashes. :-} -*/ -struct WMcursor { - HCURSOR curs; -#ifndef USE_STATIC_CURSOR - Uint8 *ands; - Uint8 *xors; -#endif -}; - -/* Convert bits to padded bytes */ -#define PAD_BITS(bits) ((bits+7)/8) - -#ifdef CURSOR_DEBUG -static void PrintBITMAP(FILE *out, char *bits, int w, int h) -{ - int i; - unsigned char ch; - - while ( h-- > 0 ) { - for ( i=0; i<w; ++i ) { - if ( (i%8) == 0 ) - ch = *bits++; - if ( ch&0x80 ) - fprintf(out, "X"); - else - fprintf(out, " "); - ch <<= 1; - } - fprintf(out, "\n"); - } -} -#endif - -#ifndef USE_STATIC_CURSOR -/* Local functions to convert the SDL cursor mask into Windows format */ -static void memnot(Uint8 *dst, Uint8 *src, int len) -{ - while ( len-- > 0 ) - *dst++ = ~*src++; -} -static void memxor(Uint8 *dst, Uint8 *src1, Uint8 *src2, int len) -{ - while ( len-- > 0 ) - *dst++ = (*src1++)^(*src2++); -} -#endif /* !USE_STATIC_CURSOR */ - -void WIN_FreeWMCursor(_THIS, WMcursor *cursor) -{ -#ifndef USE_STATIC_CURSOR - if ( cursor->curs == GetCursor() ) - SetCursor(NULL); - if ( cursor->curs != NULL ) - DestroyCursor(cursor->curs); - if ( cursor->ands != NULL ) - SDL_free(cursor->ands); - if ( cursor->xors != NULL ) - SDL_free(cursor->xors); -#endif /* !USE_STATIC_CURSOR */ - SDL_free(cursor); -} - -WMcursor *WIN_CreateWMCursor(_THIS, - Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) -{ -#ifdef USE_STATIC_CURSOR - WMcursor *cursor; - - /* Allocate the cursor */ - cursor = (WMcursor *)SDL_malloc(sizeof(*cursor)); - if ( cursor ) { - cursor->curs = LoadCursor(NULL, IDC_ARROW); - } - return(cursor); -#else - WMcursor *cursor; - int allowed_x; - int allowed_y; - int run, pad, i; - Uint8 *aptr, *xptr; - - /* Check to make sure the cursor size is okay */ - allowed_x = GetSystemMetrics(SM_CXCURSOR); - allowed_y = GetSystemMetrics(SM_CYCURSOR); - if ( (w > allowed_x) || (h > allowed_y) ) { - SDL_SetError("Only cursors of dimension (%dx%d) are allowed", - allowed_x, allowed_y); - return(NULL); - } - - /* Allocate the cursor */ - cursor = (WMcursor *)SDL_malloc(sizeof(*cursor)); - if ( cursor == NULL ) { - SDL_SetError("Out of memory"); - return(NULL); - } - cursor->curs = NULL; - cursor->ands = NULL; - cursor->xors = NULL; - - /* Pad out to the normal cursor size */ - run = PAD_BITS(w); - pad = PAD_BITS(allowed_x)-run; - aptr = cursor->ands = (Uint8 *)SDL_malloc((run+pad)*allowed_y); - xptr = cursor->xors = (Uint8 *)SDL_malloc((run+pad)*allowed_y); - if ( (aptr == NULL) || (xptr == NULL) ) { - WIN_FreeWMCursor(NULL, cursor); - SDL_OutOfMemory(); - return(NULL); - } - for ( i=0; i<h; ++i ) { - memxor(xptr, data, mask, run); - xptr += run; - data += run; - memnot(aptr, mask, run); - mask += run; - aptr += run; - SDL_memset(xptr, 0, pad); - xptr += pad; - SDL_memset(aptr, ~0, pad); - aptr += pad; - } - pad += run; - for ( ; i<allowed_y; ++i ) { - SDL_memset(xptr, 0, pad); - xptr += pad; - SDL_memset(aptr, ~0, pad); - aptr += pad; - } - - /* Create the cursor */ - cursor->curs = CreateCursor( - (HINSTANCE)GetWindowLongPtr(SDL_Window, GWLP_HINSTANCE), - hot_x, hot_y, allowed_x, allowed_y, - cursor->ands, cursor->xors); - if ( cursor->curs == NULL ) { - WIN_FreeWMCursor(NULL, cursor); - SDL_SetError("Windows couldn't create the requested cursor"); - return(NULL); - } - return(cursor); -#endif /* USE_STATIC_CURSOR */ -} - -int WIN_ShowWMCursor(_THIS, WMcursor *cursor) -{ - POINT mouse_pos; - - /* The fullscreen cursor must be done in software with DirectInput */ - if ( !this->screen || DDRAW_FULLSCREEN() ) { - return(0); - } - - /* Set the window cursor to our cursor, if applicable */ - if ( cursor != NULL ) { - SDL_hcursor = cursor->curs; - } else { - SDL_hcursor = NULL; - } - GetCursorPos(&mouse_pos); - if ( PtInRect(&SDL_bounds, mouse_pos) ) { - SetCursor(SDL_hcursor); - } - return(1); -} - -void WIN_WarpWMCursor(_THIS, Uint16 x, Uint16 y) -{ - if ( DDRAW_FULLSCREEN() ) { - SDL_PrivateMouseMotion(0, 0, x, y); - } else if ( mouse_relative) { - /* RJR: March 28, 2000 - leave physical cursor at center of screen if - mouse hidden and grabbed */ - SDL_PrivateMouseMotion(0, 0, x, y); - } else { - POINT pt; - pt.x = x; - pt.y = y; - ClientToScreen(SDL_Window, &pt); - SetCursorPos(pt.x, pt.y); - } -} - -/* Update the current mouse state and position */ -void WIN_UpdateMouse(_THIS) -{ - RECT rect; - POINT pt; - - if ( ! DDRAW_FULLSCREEN() ) { - GetClientRect(SDL_Window, &rect); - GetCursorPos(&pt); - MapWindowPoints(NULL, SDL_Window, &pt, 1); - if (PtInRect(&rect, pt) && (WindowFromPoint(pt) == SDL_Window)){ - SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); - SDL_PrivateMouseMotion(0,0, (Sint16)pt.x, (Sint16)pt.y); - } else { - SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); - } - } -} - -/* Check to see if we need to enter or leave mouse relative mode */ -void WIN_CheckMouseMode(_THIS) -{ -#ifndef _WIN32_WCE - /* If the mouse is hidden and input is grabbed, we use relative mode */ - if ( !(SDL_cursorstate & CURSOR_VISIBLE) && - (this->input_grab != SDL_GRAB_OFF) ) { - mouse_relative = 1; - } else { - mouse_relative = 0; - } -#else - mouse_relative = 0; -#endif -} |